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  <xs:element id="vrca_IncreaseDecreaseInLicenseAndCollaborationReceivableBilledAndUnbilled" abstract="false" name="IncreaseDecreaseInLicenseAndCollaborationReceivableBilledAndUnbilled" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_IncreaseDecreaseInAccruedExpensesAndOtherCurrentLiabilities" abstract="false" name="IncreaseDecreaseInAccruedExpensesAndOtherCurrentLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_EquityIssuanceCosts" abstract="false" name="EquityIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_ResearchAndDevelopmentFundingLiabilityRecognized" abstract="false" name="ResearchAndDevelopmentFundingLiabilityRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_ChangeInDeferredCostsResearchAndDevelopment" abstract="false" name="ChangeInDeferredCostsResearchAndDevelopment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_FinanceLeaseLiabilityExtinguishedAsAResultOfLeaseTermination" abstract="false" name="FinanceLeaseLiabilityExtinguishedAsAResultOfLeaseTermination" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_RightOfUseAssetObtainedInExchangeForLeaseObligation" abstract="false" name="RightOfUseAssetObtainedInExchangeForLeaseObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationAgreementsAbstract" abstract="true" name="LicenseAndCollaborationAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationAgreementsTextBlock" abstract="false" name="LicenseAndCollaborationAgreementsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="vrca_FairValueOfFinancialInstrumentsAndCreditRiskPolicyTextBlock" abstract="false" name="FairValueOfFinancialInstrumentsAndCreditRiskPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="vrca_CostOfLicenseAndCollaborationRevenuePolicyTextBlock" abstract="false" name="CostOfLicenseAndCollaborationRevenuePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="vrca_ScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" abstract="false" name="ScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="vrca_DescriptionOfBusinessTable" abstract="true" name="DescriptionOfBusinessTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="vrca_PreFundedWarrantMember" abstract="true" name="PreFundedWarrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_SeriesCWarrantsMember" abstract="true" name="SeriesCWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_CommonStockAndSeriesCWarrantsMember" abstract="true" name="CommonStockAndSeriesCWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_PreFundedWarrantAndSeriesCWarrantsMember" abstract="true" name="PreFundedWarrantAndSeriesCWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_DescriptionOfBusinessLineItems" abstract="true" name="DescriptionOfBusinessLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_SignificantAccountingPoliciesTable" abstract="true" name="SignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationRevenueMilestonesMember" abstract="true" name="LicenseAndCollaborationRevenueMilestonesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_OneCustomerMember" abstract="true" name="OneCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_SignificantAccountingPoliciesLineItems" abstract="true" name="SignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_NumberOfReportableSegmentsNotDisclosedFlag" abstract="false" name="NumberOfReportableSegmentsNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_AccountsReceivableCurrentThresholdPeriodPastDue" abstract="false" name="AccountsReceivableCurrentThresholdPeriodPastDue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_ContractWithCustomerLiabilityRecognitionPeriod" abstract="false" name="ContractWithCustomerLiabilityRecognitionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_BasicExercisePrice" abstract="false" name="BasicExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="vrca_DilutedExercisePrice" abstract="false" name="DilutedExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="vrca_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_YcanthMember" abstract="true" name="YcanthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_VP-315Member" abstract="true" name="VP-315Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_CommonWartsMember" abstract="true" name="CommonWartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_SegmentReportingDisaggregationOfExpensesAxis" abstract="true" name="SegmentReportingDisaggregationOfExpensesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="vrca_SegmentReportingDisaggregationOfExpensesDomain" abstract="true" name="SegmentReportingDisaggregationOfExpensesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_CommercialMember" abstract="true" name="CommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_StockBasedCompensationMember" abstract="true" name="StockBasedCompensationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_OtherUnallocatedExpensesMember" abstract="true" name="OtherUnallocatedExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_SeriesAAndBWarrantsPursuantToTwoThousandTwentyFourMember" abstract="true" name="SeriesAAndBWarrantsPursuantToTwoThousandTwentyFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_DebtFinancingMember" abstract="true" name="DebtFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_ToriiAmendmentMember" abstract="true" name="ToriiAmendmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_GrossToNetReserves" abstract="false" name="GrossToNetReserves" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_AccruedClinicalTrialAndDrugDevelopmentCurrent" abstract="false" name="AccruedClinicalTrialAndDrugDevelopmentCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_AccruedInventoryCurrent" abstract="false" name="AccruedInventoryCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_CommercialRelatedCosts" abstract="false" name="CommercialRelatedCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_CommonStockVotingRightsNumberOfVotes" abstract="false" name="CommonStockVotingRightsNumberOfVotes" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="vrca_OrbiMedDebtFacilityMember" abstract="true" name="OrbiMedDebtFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_SeriesBWarrantsMember" abstract="true" name="SeriesBWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_CostOfProductRevenueMember" abstract="true" name="CostOfProductRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_CostOfLicenseAndCollaborationRevenueMember" abstract="true" name="CostOfLicenseAndCollaborationRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_LandlordMember" abstract="true" name="LandlordMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_OperatingLeaseBaseRentExpense" abstract="false" name="OperatingLeaseBaseRentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LesseeFinanceLeaseCostAbstract" abstract="true" name="LesseeFinanceLeaseCostAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_FinanceLeaseCost" abstract="false" name="FinanceLeaseCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LesseeOperatingLeaseCostAbstract" abstract="true" name="LesseeOperatingLeaseCostAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearThree" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_FinanceLeaseLiabilityPaymentsDueAfterYearThree" abstract="false" name="FinanceLeaseLiabilityPaymentsDueAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_OperatingLeaseAdditionalInformationAbstract" abstract="true" name="OperatingLeaseAdditionalInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_FinanceLeaseAdditionalInformationAbstract" abstract="true" name="FinanceLeaseAdditionalInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_LoanFacilityMember" abstract="true" name="LoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationAgreementsTable" abstract="true" name="LicenseAndCollaborationAgreementsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationRevenueCommercialSupplyAndDevelopmentMember" abstract="true" name="LicenseAndCollaborationRevenueCommercialSupplyAndDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_ToriiAgreementPhase3ProgramMember" abstract="true" name="ToriiAgreementPhase3ProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_LytixMember" abstract="true" name="LytixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_ToriiAmendmentTrancheOneMember" abstract="true" name="ToriiAmendmentTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_ToriiAmendmentTrancheTwoMember" abstract="true" name="ToriiAmendmentTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_ToriiAmendmentTrancheThreeMember" abstract="true" name="ToriiAmendmentTrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_AchievementOfMilestoneAxis" abstract="true" name="AchievementOfMilestoneAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="vrca_AchievementOfMilestoneDomain" abstract="true" name="AchievementOfMilestoneDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_DevelopmentRegulatoryCommercialMilestonesMember" abstract="true" name="DevelopmentRegulatoryCommercialMilestonesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_LytixBiopharmaASMember" abstract="true" name="LytixBiopharmaASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="vrca_LicenseAndCollaborationAgreementsLineItems" abstract="true" name="LicenseAndCollaborationAgreementsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="vrca_RevenueRemainingPerformanceObligationVariableConsiderationAmount" abstract="false" name="RevenueRemainingPerformanceObligationVariableConsiderationAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LicenseAgreementMaximumRoyaltyPaymentPeriodInitialProduct" abstract="false" name="LicenseAgreementMaximumRoyaltyPaymentPeriodInitialProduct" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_LicenseAgreementMaximumRoyaltyPaymentPeriodSubsequentProductsOptionOne" abstract="false" name="LicenseAgreementMaximumRoyaltyPaymentPeriodSubsequentProductsOptionOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_LicenseAgreementMaximumRoyaltyPaymentPeriodSubsequentProductsOptionTwo" abstract="false" name="LicenseAgreementMaximumRoyaltyPaymentPeriodSubsequentProductsOptionTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_DebtInstrumentFixedInterestRatePercentage" abstract="false" name="DebtInstrumentFixedInterestRatePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrca_CollaborativeArrangementRightsAndObligationsCostRepaymentPeriodMaximum" abstract="false" name="CollaborativeArrangementRightsAndObligationsCostRepaymentPeriodMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="vrca_ClassOfWarrantOrRightSecuritiesCalledByWarrantsOrRightsVestingPercentage" abstract="false" name="ClassOfWarrantOrRightSecuritiesCalledByWarrantsOrRightsVestingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrca_CollaborativeArrangementRightsAndObligationsAmountPaidByOtherPartyMaximum" abstract="false" name="CollaborativeArrangementRightsAndObligationsAmountPaidByOtherPartyMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_CollaborativeArrangementRightsAndObligationsAmountPaidByOtherParty" abstract="false" name="CollaborativeArrangementRightsAndObligationsAmountPaidByOtherParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_ResearchAndDevelopmentFundingLiabilityGross" abstract="false" name="ResearchAndDevelopmentFundingLiabilityGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_DeferredCostsResearchAndDevelopment" abstract="false" name="DeferredCostsResearchAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_ImputedInterestRatePercentage" abstract="false" name="ImputedInterestRatePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrca_RecoveryOfResearchAndDevelopment" abstract="false" name="RecoveryOfResearchAndDevelopment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_ResearchAndDevelopmentRecoveryToDate" abstract="false" name="ResearchAndDevelopmentRecoveryToDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_CollaborativeArrangementRightsAndObligationsCostsIncurredTotal" abstract="false" name="CollaborativeArrangementRightsAndObligationsCostsIncurredTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_CollaborativeArrangementRightsAndObligationsCostsIncurredTotalIncurredToDate" abstract="false" name="CollaborativeArrangementRightsAndObligationsCostsIncurredTotalIncurredToDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LicenseAgreementMilestonePaymentAmountPaid" abstract="false" name="LicenseAgreementMilestonePaymentAmountPaid" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_LicenseAgreementAdditionalMilestonePayments" abstract="false" name="LicenseAgreementAdditionalMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="vrca_PercentageOfRoyaltyIncomeShared" abstract="false" name="PercentageOfRoyaltyIncomeShared" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="vrca_PassThroughCostsMember" abstract="true" name="PassThroughCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
